Mao Nanjou  

, 南条 真緒

Keiki's classmate is also his friend. They often spend time together along with Shoma. Although it's not openly stated, she has a secret crush on Keiki and imagines him and Shoma in romantic relationships. She expresses this through her artwork and writing, which she publishes. She hopes that Keiki will eventually become romantically involved with Shoma to further fuel her fantasies and aid her creative process.